* {
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
  }
  body {
    font-size: 20px !important;
  }
  .van-nav-bar__content{
    background-color: #3196fa;
  }
  .van-nav-bar__text
  ,.van-nav-bar__title
  ,.van-icon-arrow-left{
    color: #fff !important;
  }